<html>
<head>666</head>
<body>
	<script type="text/javascript">
		console.info('file info is ', /image\/+?/.test('image/jpg'))
		console.info('file info is ', /image\/+?/.test('image/png'))
		console.info('file info is ', /image\/+?/.test('image/jpeg'))
		console.info('file info is ', /image\/+?/.test('image/gif'))
		console.info('>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>')
		console.info('file info is ', /image\/+?/.test('text/bbb'))
		console.info('file info is ', /image\/+?/.test('xml/bbb'))
		console.info('file info is ', /image\/+?/.test('word/bbb'))
		console.info('file info is ', /image\/+?/.test('dic/bbb'))

		console.info('have <a&nbsp; ???', /<a&nbsp;+/g.test('aaaaaaaaaaa' + 
			'<a&nbsp; href="https://www.baidu.com"'))
	</script>
</body>
</html>